Finding the Fourth Proportional to 196.03, 270.50 and 108.69

Step by Step Solution

1. Step 1: Write the proportion equation
   196.03 : 270.50 = 108.69 : x
2. Step 2: Convert to fraction form
   196.03/270.50 = 108.69/x
3. Step 3: Cross multiply
   196.03x = 270.50 × 108.69
4. Step 4: Simplify right side
   196.03x = 29,400.10
5. Step 5: Solve for x
   x = 29,400.10/196.03
6. Step 6: Final answer
   x = 149.98